<template>
  <!-- 商品分类导航 -->
  <div class="type-nav">
    <div class="container">
      <div class="nav-left" @mouseleave="distroy">
        <h2 class="all" @mouseenter="showList">全部商品分类</h2>
        <div class="sort" v-if="!showtime">
          <div class="all-sort-list2">
            <div class="item" v-for="c1 in CategoryList.slice(0, -3)" :key="c1.categoryId" @click="ddd($event)">
              <h3>
                <a href="JavaScript:;" :data-id="c1.categoryId" data-label="1" :data-name="c1.categoryName">{{ c1.categoryName }}</a>
              </h3>
              <div class="item-list clearfix">
                <div class="subitem" v-for="c2 in c1.categoryChild" :key="c2.categoryId">
                  <dl class="fore">
                    <dt>
                      <a href="JavaScript:;" :data-id="c2.categoryId" data-label="2" :data-name="c2.categoryName">{{ c2.categoryName }}</a>
                    </dt>
                    <dd>
                      <em v-for="c3 in c2.categoryChild" :key="c3.categoryId">
                        <a href="JavaScript:;" :data-id="c3.categoryId" data-label="3" :data-name="c3.categoryName">{{ c3.categoryName }}</a>
                      </em>
                    </dd>
                  </dl>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <nav class="nav">
        <a href="###">服装城</a>
        <a href="###">美妆馆</a>
        <a href="###">尚品汇超市</a>
        <a href="###">全球购</a>
        <a href="###">闪购</a>
        <a href="###">团购</a>
        <a href="###">有趣</a>
        <a href="###">秒杀</a>
      </nav>
    </div>
  </div>
</template>

<script>
import { mapState } from "vuex"
export default {
  name: "TypeNav",
  data() {
    return {
      showtime: false,
    }
  },
  methods: {
    ddd(e) {
      if (!e.target.dataset.id) return
      // console.log(this.$route)
      // console.log(this.showtime, this.$route.meta.isHiddenNav)
      // console.log(this.showtime)
      // const { keyword } = this.$route
      const { id, label, name } = e.target.dataset
      const { keyword } = this.$route.params
      // console.log(...keyword)
      this.$router.push({
        name: "Search",
        // params需要占位,query不需要,且会全部展示到路径上
        params: {
          keyword,
        },
        query: {
          // aaaa: 123,
          ["category" + label + "Id"]: id,
          categoryName: name,
        },
      })
    },
    showList() {
      this.showtime = false
    },
    distroy() {
      if (this.$route.meta.isHiddenNav) {
        this.showtime = true
      }
    },
  },
  computed: {
    ...mapState("home", ["CategoryList"]),
  },
  mounted() {
    if (this.$route.meta.isHiddenNav) {
      // console.log(123)
      this.showtime = true
    }
    // 此时已经发送请求,但是没有处理跨域问题,所以响应失败,
    // 解决办法,在src文件下,创建一个vueconfig.js文件,在添加devserve处理跨域问题
    // reqBaseCategoryList().then(
    //   result => {
    //     console.log("请求成功了", result.data, this)
    //     // 使用了Vuex后,需要在Vuex中进行数据管理 所以需要将数据存入Vuex中
    //     // this.CategoryList = result.data
    //   },
    //   error => console.log("请求失败了", error)
    // )
    // 在挂载的时候发送请求获取数据
    // 去vuex中的actions触发函数,在actions中发送ajax请求获取数据,并存入vuex中
    // this.getCategoryListData()
    // console.log(this)
    // console.log(this)
    // this.$store.dispatch("getCategoryListData")
  },
}
</script>

<style lang="less" scoped>
.type-nav {
  border-bottom: 2px solid #e1251b;

  .container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    position: relative;

    .all {
      width: 210px;
      height: 45px;
      background-color: #e1251b;
      line-height: 45px;
      text-align: center;
      color: #fff;
      font-size: 14px;
    }

    .nav {
      a {
        height: 45px;
        margin: 0 22px;
        line-height: 45px;
        font-size: 16px;
        color: #333;
      }
    }

    .sort {
      position: absolute;
      left: 0;
      top: 45px;
      width: 210px;
      height: 461px;
      position: absolute;
      background: #fafafa;
      z-index: 999;
      margin-top: 2px;
      .all-sort-list2 {
        .item {
          h3 {
            line-height: 30px;
            font-size: 14px;
            font-weight: 400;
            overflow: hidden;
            padding: 0 20px;
            margin: 0;
            padding-bottom: 2px;
            a {
              color: #333;
            }
          }

          .item-list {
            display: none;
            position: absolute;
            width: 734px;
            min-height: 460px;
            background: #f7f7f7;
            left: 210px;
            border: 1px solid #ddd;
            top: 0;
            z-index: 9999 !important;

            .subitem {
              float: left;
              width: 650px;
              padding: 0 4px 0 8px;

              dl {
                border-top: 1px solid #eee;
                padding: 6px 0;
                overflow: hidden;
                zoom: 1;

                &.fore {
                  border-top: 0;
                }

                dt {
                  float: left;
                  width: 54px;
                  line-height: 22px;
                  text-align: right;
                  padding: 3px 6px 0 0;
                  font-weight: 700;
                }

                dd {
                  float: left;
                  width: 415px;
                  padding: 3px 0 0;
                  overflow: hidden;

                  em {
                    float: left;
                    height: 14px;
                    line-height: 14px;
                    padding: 0 8px;
                    margin-top: 5px;
                    border-left: 1px solid #ccc;
                  }
                }
              }
            }
          }

          &:hover {
            .item-list {
              display: block;
            }
          }
        }
      }
    }
  }
}
</style>
